Vibration Alarm Watch, Vibrating Alarms with Countdown Timer, Waterproof Vibration Alarm Reminder Clock - High quality: This reminder clock with vibration alarm has a stylish and soft silicone strap that is lightweight, durable, and hypoallergenic. The case is made of ABS + PC material, lightweight and comfortable to wear. The bright screen provides a comfortable touch experience. This makes it a unique gift for loved ones, friends, or yourself. - Quiet alarm with strong vibration: Supports up to 6 individual vibration alarms, no daily on/off required. The quiet, strong vibration does not disturb others, making it ideal for discreet, continuous reminders such as bathroom breaks, homework, medication, hydration, waking up, exercise, daily planning, prayer, or routine tracking. - Multifunctional: Features time, date, and weekday display, battery indicator, 6 groups of alarm settings, 12/24-hour format, countdown timer, stopwatch, and temperature measurement. These practical functions support more than just wake-up alerts—they help manage daily tasks and set silent reminders for important events or medication schedules. - Rechargeable and waterproof: Designed to be sweat-resistant and water-resistant (IPX5), suitable for everyday use including handwashing or rain exposure. The long-lasting rechargeable battery lasts up to 30 days on a full charge, eliminating the need for frequent battery replacements. It can be conveniently charged anytime via USB port, compatible with power banks and other standard USB power sources. - Easy to use: Simple setup without requiring Bluetooth connection or mobile app. All settings are programmed directly on the device. Power-off memory function retains all alarm settings even when the device is turned off, so there's no need to reset after charging. Compact size allows easy portability and fits comfortably in pockets or bags. Material: Silicone + ABS Battery capacity: 75mAh 3.7V Operating environment: -10°C to 50°C Waterproof rating: IPX5 Charging voltage: DC 5V (built-in USB allows direct charging from power bank) Functions: 1. Body temperature measurement: Automatically monitors body temperature throughout the day. If temperature reaches or exceeds 37.3°C, the wristband will vibrate to alert the user. 2. Time and date setting 3. Vibration alarm clock with support for up to 6 alarm groups 4. Countdown timer and stopwatch 5. Fully charged battery provides approximately 30 days of working time